Supplemental material: 40Ar/39Ar Age of the Manson Impact Structure, Iowa, and Correlative Impact Ejecta in the Crow Creek Member of the Pierre Shale (Upper Cretaceous), South Dakota and Nebraska
journal contributionposted on 01.01.1998, 00:00 by Glenn A. Izett
GSA Data Repository Item 9813, GSA Bulletin, Vol. 110, p. 361. File size: 7 p., about 362 K bytes.